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106638067 = 53237963
BaseRepresentation
bin1100101101100…
…10101011110011
321102122202221001
412112302223303
5204244404232
614325342431
72433260104
oct626625363
9242582831
10106638067
1155215838
122b867a17
1319129063
141023c3ab
1595666e7
hex65b2af3

106638067 has 6 divisors (see below), whose sum is σ = 108690932. Its totient is φ = 104623272.

The previous prime is 106638031. The next prime is 106638073. The reversal of 106638067 is 760836601.

It is a de Polignac number, because none of the positive numbers 2k-106638067 is a prime.

It is a super-2 number, since 2×1066380672 = 22743354666992978, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106638167) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16173 + ... + 21790.

Almost surely, 2106638067 is an apocalyptic number.

106638067 is a deficient number, since it is larger than the sum of its proper divisors (2052865).

106638067 is an frugal number, since it uses more digits than its factorization.

106638067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38069 (or 38016 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 106638067 is about 10326.5709216564. The cubic root of 106638067 is about 474.2100509921.

The spelling of 106638067 in words is "one hundred six million, six hundred thirty-eight thousand, sixty-seven".

Divisors: 1 53 2809 37963 2012039 106638067